The outages on Tuesday led to the cancellation of service on Istanbul's metro and train lines to the capital, Ankara, with a number of reports on social media of flights being cancelled or delayed.
Officials confirmed that a glitch in Turkey's electricity power transmission network caused the power cut, and the Turkish Electricity Transmission company said "technical inspections" were under way to restore power, the Associated Press news agency reported.
Turkey's Prime Minister Ahmet Davutoglu said all possible causes of the outage were being investigated and did not rule out sabotage, but said that trouble with transmission lines was the most likely reason for the problem .... http://www.aljazeera.com
